Finding the Fourth Proportional to 647,623.93, 893,724.93 and 361,162.15
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Solution
The fourth proportional to 647,623.93, 893,724.93 and 361,162.15 is: 498,405.95
Step by Step Solution
- Step 1: Write the proportion equation
647,623.93 : 893,724.93 = 361,162.15 : x - Step 2: Convert to fraction form
647,623.93/893,724.93 = 361,162.15/x - Step 3: Cross multiply
647,623.93x = 893,724.93 × 361,162.15 - Step 4: Simplify right side
647,623.93x = 322,779,617,227.40 - Step 5: Solve for x
x = 322,779,617,227.40/647,623.93 - Step 6: Final answer
x = 498,405.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.